What is Success in drug rehabilitation?

Drug rehabilitation programs display and advertise, through their websites and advertisements online, that they help their clients succeed and gain the life they want. The idea of success is not defined on the webpage of most drug rehabilitation facilities. Each program may have a different idea of successful treatment and what the requirements are to no longer need to participate in the program leaving it to the clients to assume the goals of the facility. Leaving this to the clients to assume often leads them to follow the assumptions that are set by society believe successful treatment will contain and not what the facility wants to uphold. There is a disconnect between society’s expectations of how a person behaves when they leave drug rehabilitation, while the research supporting these programs has limited goals for those leaving their program. Then, what and how should some of these expectations and definitions of success be changed